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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
RUBBERMAID COMMERCIAL PRODUCTS LLC	6655 PEACHTREE DUNWOODY ROAD ATLANTA GA 30328

International Classification(s)

• 0401:BRUSHES AND BROOMS FOR CLEANING

• 2013 Application Filing Year
• 0401 Class
• 128 Applications Filed
• 128 Patents Issued To-Date
• 100 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Schiavo, Michael	Mt. Ephraim, US	7	35
# of filed Patents : 7 Total Citations : 35
Weaver, Jace	Gilbertsville, US	18	96
# of filed Patents : 18 Total Citations : 96

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Patent Citation Ranking

• 0 Citation Count
• 0401 Class

• 0 % this patent is cited more than
• 11 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 16, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 6134952

Dissolved solid analyzer

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Abstract

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On-line measurements of an amount of dissolved solids in a liquid sample are determined by using both conductivity and UV measurements. More particularly, an amount of dissolved solids in a pulp and paper mill process water or effluent is determined by irradiating at least a portion of a liquid sample with ultraviolet light and subsequently measuring an absorption of the light by the liquid sample. Furthermore the conductivity of the liquid sample is measured and subsequently a computation is from a first relationship between the measured absorption of the first wavelength by the liquid sample and the measured conductivity of the liquid sample using a suitably programmed processor.

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Description

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Claims

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Legal Events

 

• FPAY2012
• AS2009
• FPAY2008
• FPAY2004
• CC2001
• I2000
• STCF2000
• AS2000
• F1998
• AS1998
• PD1997

Date	Code	Event	Description
Apr 11, 2012	FPAY	FEE PAYMENT	year of fee payment: 12
Dec 17, 2009	AS	ASSIGNMENT	free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNOR:ALBERTA RESEARCH COUNCIL INC.;REEL/FRAME:025499/0106 Owner name: ALBERTA INNOVATES - TECHNOLOGY FUTURES, CANADA Effective Date: Dec 17, 2009
Apr 11, 2008	FPAY	FEE PAYMENT	year of fee payment: 8
Apr 22, 2004	FPAY	FEE PAYMENT	year of fee payment: 4
May 08, 2001	CC	CERTIFICATE OF CORRECTION
Oct 24, 2000	I	Issuance
Oct 06, 2000	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Mar 23, 2000	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ALBERTA SCIENCE, RESEARCH AND TECHNOLOGY AUTHORITY;REEL/FRAME:011322/0524 Owner name: ALBERTA RESEARCH COUNCIL INC., CANADA Effective Date: Mar 23, 2000 free format text: CHANGE OF NAME;ASSIGNOR:ALBERTA RESEARCH COUNCIL;REEL/FRAME:011474/0341 Owner name: ALBERTA SCIENCE, RESEARCH AND TECHNOLOGY AUTHORITY Effective Date: Mar 23, 2000
Sep 18, 1998	F	Filing
Sep 18, 1998	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GARVER, THEODORE M.;BOEGH, KENNETH;REEL/FRAME:009468/0383;SIGNING DATES FROM 19980911 TO 19980915 Owner name: ALBERTA RESEARCH COUNCIL, CANADA
Sep 18, 1997	PD	Priority Date